According to experts from the National Center for Hydro-Meteorological Forecasting, on May 30, the Northern region will have scattered showers and thunderstorms, with some areas having moderate to heavy rain; during the day, it will be sunny at times. From the night of May 30-31 and around June 3-7, there will be rain, moderate rain and thunderstorms, with some areas having heavy to very heavy rain.

W-buying in Hanoi Q.Phong.jpg
Hanoi weather is likely to have heavy rain, beware of flooding. Illustration photo: Q.Phong

In the Central region, on May 30 and from June 2-4, there will be hot weather, with some places experiencing severe to extremely severe heat; from the evening and night of May 30-June 1 and the night of June 4-7, there will be scattered showers and thunderstorms, with some areas experiencing moderate to heavy rain.

For the Central Highlands and the South, from May 30 to June 8, there will be continuous scattered showers and thunderstorms, locally heavy to very heavy rain in the late afternoon and at night; during the day there will be showers and thunderstorms in some places, intermittent sunshine, and hot weather in some places.

Hanoi weather.jpg
Hanoi weather for the next 10 days. Source: NCHMF

As for Hanoi weather , the clouds will change, from the evening and night of May 30-31 and around the night of June 3-7 there will be showers and thunderstorms, locally moderate to heavy rain, intermittent sunshine during the day. The highest temperature during the day is commonly 31-33 degrees, the lowest at night is 24-27 degrees.

Specifically, from the evening of May 30 to the morning of May 31, Hanoi will have showers, some places will have heavy rain with total rainfall of 15-30mm, some places will have more than 40mm. From the afternoon of May 31, Hanoi will have showers and thunderstorms in some places.

weather in Ho Chi Minh City.jpg
Ho Chi Minh City weather has many rainy days. Source: NCHMF

In addition, on the afternoon and night of May 30, the Northern region will have scattered showers and thunderstorms, locally heavy rain with rainfall of 10-30mm, in some places over 70mm.

From the evening of May 30 to the morning of May 31, the Southern region of the Northern Delta and Thanh Hoa to Quang Binh will have rain, moderate rain and thunderstorms, locally heavy to very heavy rain with rainfall of 20-50mm, in some places over 100mm.

On the afternoon and evening of May 30, the Central Highlands and the South will have scattered showers and thunderstorms, locally heavy rain with rainfall of 15-30mm, in some places over 50mm.

The meteorological agency warns that during days of thunderstorms, people should take precautions against tornadoes, lightning, hail and strong winds. Localized heavy rains can cause flash floods on small rivers and streams, landslides on steep slopes and flooding in low-lying areas. Beware of heavy rain in a short period of time causing flooding in urban areas.

Specifically about the weather in Hanoi capital in the first 3 days (May 30 - June 1) :

Day Day (7am-7pm) Night (7pm-7am)
30/5

Cloudy with showers and thunderstorms. Southwest wind force 2-3.
Highest temperature: 31-33 degrees
Average humidity: 65-75%
Chance of rain: 50-60%

Cloudy with showers and thunderstorms. Southwest wind force 2-3.
Lowest temperature: 25-27 degrees
Average humidity: 85-95%
Chance of rain: 70-80%

31/5

Cloudy with showers and thunderstorms. Light wind.
Highest temperature: 29-31 degrees
Average humidity: 65-75%
Chance of rain: 60-70%

Cloudy, no rain. Light wind.
Lowest temperature: 24-26 degrees
Average humidity: 80-90%
Chance of rain: 10-20%

1/6

Cloudy, no rain, sunny. Light wind.
Highest temperature: 32-34 degrees
Average humidity: 60-65%
Chance of rain: 10-20%

Cloudy, no rain. Light wind.
Lowest temperature: 25-27 degrees
Average humidity: 80-90%
Chance of rain: 10-20%

Heavy rain in the North at the end of May, risk of thunder and strong winds From the night of May 30 to May 31, the North is likely to have thunderstorms, locally heavy to very heavy rain. In the South, the southwest monsoon is gradually strengthening, so Ho Chi Minh City and the South will have rain for many days to come.
The East Sea is likely to welcome a tropical depression . The low pressure area that has just formed in the North East Sea area may strengthen into a tropical depression; becoming the first tropical cyclone at sea this year's storm season.